bc21da0b43069297b3787f060c7c27301af1c9ce65d182eb963a431a41f9c395

General

Target

e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe
Size

1.2MB
MD5

e18770d9dae93b154f05e08ff1eeaa21
SHA1

5f0f57a7a50e5875185fa061c9705c1b50bc6d34
SHA256

bc21da0b43069297b3787f060c7c27301af1c9ce65d182eb963a431a41f9c395
SHA512

39d4a79c0efe41fcbbcd8d480d3e3e770f821adf73f412401a0b1bfad1d06ddf174a56882fcd566cbfb18d08071bdf7e129bc9ea5bc5da1b9c0344b50c702cc1
SSDEEP

12288:qIkvBbE9oqrfexkY+43TaPmvMZBmAMETIpmvl8u3fV+1hgxYSjfHDmwyOhrxmhwO:HQADYngNK450Ti4h94vKHQXc

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
324	drvhost.exe
4348	syshost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Driver Component = "\"C:\\Windows\\system32\\drvhost.exe\""	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drvhost.exe	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drvhost.exe	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 324 set thread context of 4348	324	drvhost.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4792	4348	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	drvhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe
Token: SeDebugPrivilege	324	drvhost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 324	1848	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe	86
PID 1848 wrote to memory of 324	1848	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe	86
PID 1848 wrote to memory of 324	1848	e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe	86
PID 324 wrote to memory of 4348	324	drvhost.exe	87
PID 324 wrote to memory of 4348	324	drvhost.exe	87
PID 324 wrote to memory of 4348	324	drvhost.exe	87
PID 324 wrote to memory of 4348	324	drvhost.exe	87

C:\Users\Admin\AppData\Local\Temp\e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e18770d9dae93b154f05e08ff1eeaa21_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\drvhost.exe
  "C:\Windows\system32\drvhost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:324
- - C:\ProgramData\syshost.exe
    C:\ProgramData\syshost.exe
    3⤵
    - Executes dropped EXE
    PID:4348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 12
      4⤵
      Program crash
      PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
1⤵
PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\syshost.exe

Filesize
6KB

MD5
36c689700adbb227867e409938607270

SHA1
6123e236f73faa37600a60107a5b167980b83a61

SHA256
a2158014ecd471868954d0e97397f9df43e310c48d56fa0b5a6ef908dc654adf

SHA512
c75728ed30135032a6755e33b9034b98c871554c33a4b8ba1586e0b3282dbc65e3b61571d407365b24289dae2de56b514ef0db744f85e6648dc6432a33b85fef

Download Submit
C:\Windows\SysWOW64\drvhost.exe

Filesize
1.2MB

MD5
e18770d9dae93b154f05e08ff1eeaa21

SHA1
5f0f57a7a50e5875185fa061c9705c1b50bc6d34

SHA256
bc21da0b43069297b3787f060c7c27301af1c9ce65d182eb963a431a41f9c395

SHA512
39d4a79c0efe41fcbbcd8d480d3e3e770f821adf73f412401a0b1bfad1d06ddf174a56882fcd566cbfb18d08071bdf7e129bc9ea5bc5da1b9c0344b50c702cc1

Download Submit
memory/324-20-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/324-25-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/324-24-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/324-26-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1848-0-0x0000000074912000-0x0000000074913000-memory.dmp

Filesize
4KB

Download
memory/1848-1-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1848-2-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1848-17-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads